Python _helpers._to_bytes方法代码示例

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def from_string(key_pem, is_x509_cert):
        """Construct a Verified instance from a string.

        Args:
            key_pem: string, public key in PEM format.
            is_x509_cert: bool, True if key_pem is an X509 cert, otherwise it
                          is expected to be an RSA key in PEM format.

        Returns:
            Verifier instance.

        Raises:
            OpenSSL.crypto.Error: if the key_pem can't be parsed.
        """
        key_pem = _to_bytes(key_pem)
        if is_x509_cert:
            pubkey = crypto.load_certificate(crypto.FILETYPE_PEM, key_pem)
        else:
            pubkey = crypto.load_privatekey(crypto.FILETYPE_PEM, key_pem)
        return OpenSSLVerifier(pubkey) 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def from_string(key_pem, is_x509_cert):
        """Construct a Verified instance from a string.

        Args:
            key_pem: string, public key in PEM format.
            is_x509_cert: bool, True if key_pem is an X509 cert, otherwise it
                          is expected to be an RSA key in PEM format.

        Returns:
            Verifier instance.
        """
        if is_x509_cert:
            key_pem = _to_bytes(key_pem)
            pemLines = key_pem.replace(b' ', b'').split()
            certDer = _urlsafe_b64decode(b''.join(pemLines[1:-1]))
            certSeq = DerSequence()
            certSeq.decode(certDer)
            tbsSeq = DerSequence()
            tbsSeq.decode(certSeq[0])
            pubkey = RSA.importKey(tbsSeq[6])
        else:
            pubkey = RSA.importKey(key_pem)
        return PyCryptoVerifier(pubkey) 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def generate_token(key, user_id, action_id='', when=None):
    """Generates a URL-safe token for the given user, action, time tuple.

    Args:
        key: secret key to use.
        user_id: the user ID of the authenticated user.
        action_id: a string identifier of the action they requested
                   authorization for.
        when: the time in seconds since the epoch at which the user was
              authorized for this action. If not set the current time is used.

    Returns:
        A string XSRF protection token.
    """
    digester = hmac.new(_helpers._to_bytes(key, encoding='utf-8'))
    digester.update(_helpers._to_bytes(str(user_id), encoding='utf-8'))
    digester.update(DELIMITER)
    digester.update(_helpers._to_bytes(action_id, encoding='utf-8'))
    digester.update(DELIMITER)
    when = _helpers._to_bytes(str(when or int(time.time())), encoding='utf-8')
    digester.update(when)
    digest = digester.digest()

    token = base64.urlsafe_b64encode(digest + DELIMITER + when)
    return token 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def verify(self, message, signature):
        """Verifies a message against a signature.

        Args:
        message: string or bytes, The message to verify. If string, will be
                 encoded to bytes as utf-8.
        signature: string or bytes, The signature on the message. If string,
                   will be encoded to bytes as utf-8.

        Returns:
            True if message was signed by the private key associated with the
            public key that this object was constructed with.
        """
        message = _to_bytes(message, encoding='utf-8')
        signature = _to_bytes(signature, encoding='utf-8')
        try:
            crypto.verify(self._pubkey, signature, message, 'sha256')
            return True
        except crypto.Error:
            return False 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def clean_headers(headers):
    """Forces header keys and values to be strings, i.e not unicode.

    The httplib module just concats the header keys and values in a way that
    may make the message header a unicode string, which, if it then tries to
    contatenate to a binary request body may result in a unicode decode error.

    Args:
        headers: dict, A dictionary of headers.

    Returns:
        The same dictionary but with all the keys converted to strings.
    """
    clean = {}
    try:
        for k, v in six.iteritems(headers):
            if not isinstance(k, six.binary_type):
                k = str(k)
            if not isinstance(v, six.binary_type):
                v = str(v)
            clean[_to_bytes(k)] = _to_bytes(v)
    except UnicodeEncodeError:
        raise NonAsciiHeaderError(k, ': ', v)
    return clean 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def _SendRecv():
    """Communicate with the Developer Shell server socket."""

    port = int(os.getenv(DEVSHELL_ENV, 0))
    if port == 0:
        raise NoDevshellServer()

    sock = socket.socket()
    sock.connect(('localhost', port))

    data = CREDENTIAL_INFO_REQUEST_JSON
    msg = '%s\n%s' % (len(data), data)
    sock.sendall(_to_bytes(msg, encoding='utf-8'))

    header = sock.recv(6).decode()
    if '\n' not in header:
        raise CommunicationError('saw no newline in the first 6 bytes')
    len_str, json_str = header.split('\n', 1)
    to_read = int(len_str) - len(json_str)
    if to_read > 0:
        json_str += sock.recv(to_read, socket.MSG_WAITALL).decode()

    return CredentialInfoResponse(json_str) 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def generate_token(key, user_id, action_id='', when=None):
    """Generates a URL-safe token for the given user, action, time tuple.

    Args:
        key: secret key to use.
        user_id: the user ID of the authenticated user.
        action_id: a string identifier of the action they requested
                   authorization for.
        when: the time in seconds since the epoch at which the user was
              authorized for this action. If not set the current time is used.

    Returns:
        A string XSRF protection token.
    """
    digester = hmac.new(_to_bytes(key, encoding='utf-8'))
    digester.update(_to_bytes(str(user_id), encoding='utf-8'))
    digester.update(DELIMITER)
    digester.update(_to_bytes(action_id, encoding='utf-8'))
    digester.update(DELIMITER)
    when = _to_bytes(str(when or int(time.time())), encoding='utf-8')
    digester.update(when)
    digest = digester.digest()

    token = base64.urlsafe_b64encode(digest + DELIMITER + when)
    return token 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def verify(self, message, signature):
        """Verifies a message against a signature.

        Args:
            message: string or bytes, The message to verify. If string, will be
                     encoded to bytes as utf-8.
            signature: string or bytes, The signature on the message. If
                       string, will be encoded to bytes as utf-8.

        Returns:
            True if message was signed by the private key associated with the
            public key that this object was constructed with.
        """
        message = _to_bytes(message, encoding='utf-8')
        try:
            return rsa.pkcs1.verify(message, signature, self._pubkey)
        except (ValueError, rsa.pkcs1.VerificationError):
            return False 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def _SendRecv():
    """Communicate with the Developer Shell server socket."""

    port = int(os.getenv(DEVSHELL_ENV, 0))
    if port == 0:
        raise NoDevshellServer()

    sock = socket.socket()
    sock.connect(('localhost', port))

    data = CREDENTIAL_INFO_REQUEST_JSON
    msg = '{0}\n{1}'.format(len(data), data)
    sock.sendall(_helpers._to_bytes(msg, encoding='utf-8'))

    header = sock.recv(6).decode()
    if '\n' not in header:
        raise CommunicationError('saw no newline in the first 6 bytes')
    len_str, json_str = header.split('\n', 1)
    to_read = int(len_str) - len(json_str)
    if to_read > 0:
        json_str += sock.recv(to_read, socket.MSG_WAITALL).decode()

    return CredentialInfoResponse(json_str) 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def _write_credentials_file(credentials_file, credentials):
    """Writes credentials to a file.

    Refer to :func:`_load_credentials_file` for the format.

    Args:
        credentials_file: An open file handle, must be read/write.
        credentials: A dictionary mapping user-defined keys to an instance of
            :class:`oauth2client.client.Credentials`.
    """
    data = {'file_version': 2, 'credentials': {}}

    for key, credential in iteritems(credentials):
        credential_json = credential.to_json()
        encoded_credential = _helpers._from_bytes(base64.b64encode(
            _helpers._to_bytes(credential_json)))
        data['credentials'][key] = encoded_credential

    credentials_file.seek(0)
    json.dump(data, credentials_file)
    credentials_file.truncate() 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def verify(self, message, signature):
        """Verifies a message against a signature.

        Args:
            message: string or bytes, The message to verify. If string, will be
                     encoded to bytes as utf-8.
            signature: string or bytes, The signature on the message. If
                       string, will be encoded to bytes as utf-8.

        Returns:
            True if message was signed by the private key associated with the
            public key that this object was constructed with.
        """
        message = _helpers._to_bytes(message, encoding='utf-8')
        try:
            return rsa.pkcs1.verify(message, signature, self._pubkey)
        except (ValueError, rsa.pkcs1.VerificationError):
            return False 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def verify(self, message, signature):
        """Verifies a message against a signature.

        Args:
        message: string or bytes, The message to verify. If string, will be
                 encoded to bytes as utf-8.
        signature: string or bytes, The signature on the message. If string,
                   will be encoded to bytes as utf-8.

        Returns:
            True if message was signed by the private key associated with the
            public key that this object was constructed with.
        """
        message = _helpers._to_bytes(message, encoding='utf-8')
        signature = _helpers._to_bytes(signature, encoding='utf-8')
        try:
            crypto.verify(self._pubkey, signature, message, 'sha256')
            return True
        except crypto.Error:
            return False 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def from_string(key_pem, is_x509_cert):
        """Construct a Verified instance from a string.

        Args:
            key_pem: string, public key in PEM format.
            is_x509_cert: bool, True if key_pem is an X509 cert, otherwise it
                          is expected to be an RSA key in PEM format.

        Returns:
            Verifier instance.

        Raises:
            OpenSSL.crypto.Error: if the key_pem can't be parsed.
        """
        key_pem = _helpers._to_bytes(key_pem)
        if is_x509_cert:
            pubkey = crypto.load_certificate(crypto.FILETYPE_PEM, key_pem)
        else:
            pubkey = crypto.load_privatekey(crypto.FILETYPE_PEM, key_pem)
        return OpenSSLVerifier(pubkey) 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def clean_headers(headers):
    """Forces header keys and values to be strings, i.e not unicode.

    The httplib module just concats the header keys and values in a way that
    may make the message header a unicode string, which, if it then tries to
    contatenate to a binary request body may result in a unicode decode error.

    Args:
        headers: dict, A dictionary of headers.

    Returns:
        The same dictionary but with all the keys converted to strings.
    """
    clean = {}
    try:
        for k, v in six.iteritems(headers):
            if not isinstance(k, six.binary_type):
                k = str(k)
            if not isinstance(v, six.binary_type):
                v = str(v)
            clean[_helpers._to_bytes(k)] = _helpers._to_bytes(v)
    except UnicodeEncodeError:
        from oauth2client.client import NonAsciiHeaderError
        raise NonAsciiHeaderError(k, ': ', v)
    return clean 

# 需要导入模块: from oauth2client import _helpers [as 别名]
# 或者: from oauth2client._helpers import _to_bytes [as 别名]
def from_string(key_pem, is_x509_cert):
        """Construct a Verified instance from a string.

        Args:
            key_pem: string, public key in PEM format.
            is_x509_cert: bool, True if key_pem is an X509 cert, otherwise it
                          is expected to be an RSA key in PEM format.

        Returns:
            Verifier instance.
        """
        if is_x509_cert:
            key_pem = _helpers._to_bytes(key_pem)
            pemLines = key_pem.replace(b' ', b'').split()
            certDer = _helpers._urlsafe_b64decode(b''.join(pemLines[1:-1]))
            certSeq = DerSequence()
            certSeq.decode(certDer)
            tbsSeq = DerSequence()
            tbsSeq.decode(certSeq[0])
            pubkey = RSA.importKey(tbsSeq[6])
        else:
            pubkey = RSA.importKey(key_pem)
        return PyCryptoVerifier(pubkey)